diff --git a/toot.sh b/toot.sh
index b244c19..7959d55 100644
--- a/toot.sh
+++ b/toot.sh
@@ -52,7 +52,7 @@ toot_post(){
 
 image_to_toot=""
 
-if [ -z "$@" ]
+if [ $# -eq 0 ]
 then
     toot_help
     exit 1